Takamasa Ozeki

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,061,226
- Issue date Aug 28, 2018
- Ricoh Company, Ltd.
- Kazuaki Kamihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method for calculating a toner degradat...
- Patent number 9,989,876
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Mutsuki Morinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,684,259
- Issue date Jun 20, 2017
- Ricoh Company, Ltd.
- Takatsugu Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,599,946
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Mutsuki Morinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,588,460
- Issue date Mar 7, 2017
- Ricoh Company, Ltd.
- Tadashi Kasai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Protective layer forming device and image forming apparatus
- Patent number 9,513,594
- Issue date Dec 6, 2016
- Ricoh Company, Ltd.
- Kunio Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,488,931
- Issue date Nov 8, 2016
- Ricoh Company, Ltd.
- Makoto Yasuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, image forming apparatus inco...
- Patent number 9,316,950
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,316,987
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Jun Hitosugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,298,125
- Issue date Mar 29, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,280,125
- Issue date Mar 8, 2016
- Ricoh Company, Ltd.
- Wakana Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image density control method employed b...
- Patent number 9,250,593
- Issue date Feb 2, 2016
- Ricoh Company, Ltd.
- Ryusuke Mase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,244,374
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and image forming apparatus for transforming a...
- Patent number 9,052,643
- Issue date Jun 9, 2015
- Ricoh Company, Limited
- Takashi Bisaiji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,042,748
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Taichi Urayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and process cartridge and image forming apparat...
- Patent number 8,824,932
- Issue date Sep 2, 2014
- Ricoh Company, Ltd.
- Katsumi Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, and image forming apparatus...
- Patent number 8,682,230
- Issue date Mar 25, 2014
- Ricoh Company, Ltd.
- Nobuyuki Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit, image forming apparatus incorporating same, and pr...
- Patent number 8,331,834
- Issue date Dec 11, 2012
- Ricoh Company, Ltd.
- Kyohta Koetsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 8,326,189
- Issue date Dec 4, 2012
- Ricoh Company, Limited
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer regulating member in a developing unit, process cartridge...
- Patent number 8,135,315
- Issue date Mar 13, 2012
- Ricoh Company, Ltd.
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, and image forming apparatus and process cartridg...
- Patent number 7,813,680
- Issue date Oct 12, 2010
- Ricoh Company, Ltd.
- Katsumi Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic carrier, two-component developer, development method, deve...
- Patent number 7,474,867
- Issue date Jan 6, 2009
- Ricoh Company, Ltd.
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method using a two-ingredient type developer and image f...
- Patent number 7,283,774
- Issue date Oct 16, 2007
- Ricoh Company, Ltd.
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method and apparatus using two-ingredient developer with...
- Patent number 7,095,971
- Issue date Aug 22, 2006
- Ricoh Company, Ltd.
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for suppressing variations in bulk density of dev...
- Patent number 7,003,235
- Issue date Feb 21, 2006
- Ricoh Company, Ltd.
- Akira Azami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for suppressing variations in bulk density of dev...
- Patent number 6,904,244
- Issue date Jun 7, 2005
- Ricoh Company, Ltd.
- Akira Azami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method and apparatus using two-ingredient developer with...
- Patent number 6,895,203
- Issue date May 17, 2005
- Ricoh Company, Ltd.
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170315471
- Publication date Nov 2, 2017
- Kazuaki KAMIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170199480
- Publication date Jul 13, 2017
- Mutsuki MORINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160313668
- Publication date Oct 27, 2016
- Tadashi KASAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160170321
- Publication date Jun 16, 2016
- Takatsugu Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160147174
- Publication date May 26, 2016
- Makoto YASUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160139537
- Publication date May 19, 2016
- Tadashi KASAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160070198
- Publication date Mar 10, 2016
- Mutsuki Morinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...
- Publication number 20160041494
- Publication date Feb 11, 2016
- RICOH COMPANY, LTD.
- Tomoko TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150370206
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Jun Hitosugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150268618
- Publication date Sep 24, 2015
- Wakana Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROTECTIVE LAYER FORMING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150139710
- Publication date May 21, 2015
- RICOH COMPANY, LTD.
- Kunio HASEGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150139668
- Publication date May 21, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150117884
- Publication date Apr 30, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD EMPLOYED B...
- Publication number 20140348521
- Publication date Nov 27, 2014
- Ryusuke Mase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140341597
- Publication date Nov 20, 2014
- Taichi URAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...
- Publication number 20140301747
- Publication date Oct 9, 2014
- RICOH COMPANY, LTD.
- Tomoko TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
- Publication number 20130164053
- Publication date Jun 27, 2013
- Takashi BISAIJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS...
- Publication number 20120057907
- Publication date Mar 8, 2012
- Nobuyuki Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
- Publication number 20110194874
- Publication date Aug 11, 2011
- Katsumi Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20110058858
- Publication date Mar 10, 2011
- Yoshiyuki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, IMAGE FORMING APPARATUS INCORPORATING SAME, AND PR...
- Publication number 20090245889
- Publication date Oct 1, 2009
- Kyohta Koetsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, PROCESS CARTRIDGE INCLUDING SAME, AND IMAGE FORMIN...
- Publication number 20090245882
- Publication date Oct 1, 2009
- Takamasa OZEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...
- Publication number 20090245887
- Publication date Oct 1, 2009
- Katsumi Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing method using a two-ingredient type developer and image f...
- Publication number 20060188297
- Publication date Aug 24, 2006
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Magnetic carrier, two-component developer, development method, deve...
- Publication number 20050281593
- Publication date Dec 22, 2005
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device for suppressing variations in bulk density of dev...
- Publication number 20050058464
- Publication date Mar 17, 2005
- Akira Azami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing method and apparatus using two-ingredient developer with...
- Publication number 20050053400
- Publication date Mar 10, 2005
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Magnetic carrier, two-component developer, development method, deve...
- Publication number 20040190946
- Publication date Sep 30, 2004
- Shigekazu Enoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing method using a two-ingredient type developer and image f...
- Publication number 20030161665
- Publication date Aug 28, 2003
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device for suppressing variations in bulk density of dev...
- Publication number 20030161645
- Publication date Aug 28, 2003
- Akira Azami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takamasa Ozeki

Person

Patents Grantslast 30 patents

Image forming apparatus and image forming method

Image forming apparatus and method for calculating a toner degradat...

Image forming apparatus

Image forming apparatus

Image forming apparatus

Protective layer forming device and image forming apparatus

Image forming apparatus

Development device, process cartridge, image forming apparatus inco...

Image forming apparatus and image forming method

Image forming apparatus and image forming method

Image forming apparatus

Image forming apparatus and image density control method employed b...

Image forming apparatus

Image forming method and image forming apparatus for transforming a...

Image forming apparatus

Development device, and process cartridge and image forming apparat...

Development device, process cartridge, and image forming apparatus...

Developing unit, image forming apparatus incorporating same, and pr...

Developing device, process cartridge, and image forming apparatus

Developer regulating member in a developing unit, process cartridge...

Developing device, and image forming apparatus and process cartridg...

Magnetic carrier, two-component developer, development method, deve...

Developing method using a two-ingredient type developer and image f...

Developing method and apparatus using two-ingredient developer with...

Developing device for suppressing variations in bulk density of dev...

Developing device for suppressing variations in bulk density of dev...

Developing method and apparatus using two-ingredient developer with...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

PROTECTIVE LAYER FORMING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD EMPLOYED B...

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...

IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS...

DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING UNIT, IMAGE FORMING APPARATUS INCORPORATING SAME, AND PR...

DEVELOPING UNIT, PROCESS CARTRIDGE INCLUDING SAME, AND IMAGE FORMIN...

DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...

Developing method using a two-ingredient type developer and image f...

Magnetic carrier, two-component developer, development method, deve...

Developing device for suppressing variations in bulk density of dev...

Developing method and apparatus using two-ingredient developer with...

Magnetic carrier, two-component developer, development method, deve...

Developing method using a two-ingredient type developer and image f...

Developing device for suppressing variations in bulk density of dev...